57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
const _ = require('lodash');
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const Ajv = require('ajv');
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const isLowercaseKeyword = require('./is-lowercase-keyword');
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const errors = require('@tryghost/errors');
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const ajv = new Ajv({
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allErrors: true,
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useDefaults: true,
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removeAdditional: true,
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formats: {
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'json-string': (data) => {
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try {
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JSON.parse(data);
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return true;
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} catch (e) {
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return false;
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}
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}
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}
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});
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isLowercaseKeyword(ajv);
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const getValidation = (schema, def) => {
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if (!ajv.getSchema(def.$id)) {
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ajv.addSchema(def);
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}
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return ajv.getSchema(schema.$id) || ajv.compile(schema);
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};
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const validate = (schema, definition, data) => {
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const validation = getValidation(schema, definition);
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validation(data);
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if (validation.errors) {
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let key;
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const dataPath = _.get(validation, 'errors[0].dataPath');
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if (dataPath) {
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key = dataPath.split('.').pop();
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} else {
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key = schema.$id.split('.')[0];
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}
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return Promise.reject(new errors.ValidationError({
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message: `Validation failed for ${key}.`,
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property: key,
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errorDetails: validation.errors
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}));
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}
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return Promise.resolve();
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};
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module.exports.validate = validate;
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